980709 has 4 divisors (see below), whose sum is σ = 1307616. Its totient is φ = 653804.

The previous prime is 980689. The next prime is 980711. The reversal of 980709 is 907089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 980709 - 2⁵ = 980677 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 980709.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980709.

It is not an unprimeable number, because it can be changed into a prime (980719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163449 + ... + 163454.

It is an arithmetic number, because the mean of its divisors is an integer number (326904).

2⁹⁸⁰⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

980709 is a deficient number, since it is larger than the sum of its proper divisors (326907).

980709 is a wasteful number, since it uses less digits than its factorization.

980709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326906.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 980709 is about 990.3075279932. The cubic root of 980709 is about 99.3527868550.

The spelling of 980709 in words is "nine hundred eighty thousand, seven hundred nine".